CA1198324A - Method for preparing a magnetic recording medium - Google Patents
Method for preparing a magnetic recording mediumInfo
- Publication number
- CA1198324A CA1198324A CA000414585A CA414585A CA1198324A CA 1198324 A CA1198324 A CA 1198324A CA 000414585 A CA000414585 A CA 000414585A CA 414585 A CA414585 A CA 414585A CA 1198324 A CA1198324 A CA 1198324A
- Authority
- CA
- Canada
- Prior art keywords
- preparing
- recording medium
- magnetic
- magnetic recording
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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- 229920002037 poly(vinyl butyral) polymer Chemical class 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- FTBUKOLPOATXGV-UHFFFAOYSA-N propyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCCC FTBUKOLPOATXGV-UHFFFAOYSA-N 0.000 description 1
- 229910052705 radium Inorganic materials 0.000 description 1
- 238000007763 reverse roll coating Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
- G11B5/7085—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer non-magnetic abrasive particles
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56176260A JPS5880136A (ja) | 1981-11-02 | 1981-11-02 | 磁気記録材料の製造方法 |
| JP176260/81 | 1981-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1198324A true CA1198324A (en) | 1985-12-24 |
Family
ID=16010450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000414585A Expired CA1198324A (en) | 1981-11-02 | 1982-11-01 | Method for preparing a magnetic recording medium |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4547393A (enrdf_load_stackoverflow) |
| EP (1) | EP0078539B1 (enrdf_load_stackoverflow) |
| JP (1) | JPS5880136A (enrdf_load_stackoverflow) |
| CA (1) | CA1198324A (enrdf_load_stackoverflow) |
| DE (2) | DE3279745D1 (enrdf_load_stackoverflow) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6069822A (ja) * | 1983-08-19 | 1985-04-20 | Toshiba Corp | 磁気記録媒体 |
| JPS60127527A (ja) * | 1983-12-15 | 1985-07-08 | Saiteku Kk | 膜状積重磁気記録媒体およびその製造方法 |
| JPS60138733A (ja) * | 1983-12-27 | 1985-07-23 | Toshiba Corp | 磁気記録媒体の製造方法 |
| US4587066A (en) * | 1984-07-02 | 1986-05-06 | Polaroid Corporation | Method and apparatus for forming magnetic recording media |
| US4756856A (en) * | 1984-12-20 | 1988-07-12 | Polaroid Corporation | Method of and apparatus for forming surface of magnetic media |
| DE3683397D1 (de) * | 1985-05-20 | 1992-02-27 | Fujitsu Ltd | Aufzeichnungsmedium mit longitudinal ausgerichteter magnetischer schicht. |
| JPS62208415A (ja) * | 1986-03-07 | 1987-09-12 | Hitachi Maxell Ltd | 磁気記録媒体およびその製造方法 |
| JPH0792907B2 (ja) * | 1986-05-09 | 1995-10-09 | 日立マクセル株式会社 | 磁気記録媒体 |
| US4911950A (en) * | 1986-06-30 | 1990-03-27 | Matsushita Electric Industrial Co., Ltd. | Method of smoothing magnetic film |
| US5336559A (en) * | 1988-12-28 | 1994-08-09 | Konica Corporation | Magnetic recording medium |
| US5177344A (en) * | 1990-10-05 | 1993-01-05 | Rand Mcnally & Company | Method and appparatus for enhancing a randomly varying security characteristic |
| KR970705814A (ko) * | 1994-08-22 | 1997-10-09 | 베이츠 캘롤린앨리스 | 자기 기록 매체의 제조에 사용되는 자화성 층의 차속도 그라비야 코팅 장치(differential-speed gravure coating of magnetizable layers in the manufacture of magnetic recording media) |
| US5447747A (en) * | 1994-08-22 | 1995-09-05 | Minnesota Mining And Manufacturing Company | Method and apparatus for smoothing gravure coatings in the manufacture of magnetic recording tape |
| US5449525A (en) * | 1995-01-19 | 1995-09-12 | Minnesota Mining And Manufacturing Company | Method for coating a magnetic recording medium and apparatus |
| US5609686A (en) * | 1995-08-30 | 1997-03-11 | Minnesota Mining And Manufacturing Company | Flexible adjustable smoothing blade |
| EP1632741A3 (en) * | 1995-09-18 | 2011-04-27 | Minnesota Mining And Manufacturing Company | Method for applying a component to a substrate |
| DE69804446T3 (de) * | 1997-04-07 | 2006-08-24 | Bioimage A/S | Verfahren um quantitativen informationen über einflüsse auf zelluläre reaktionen zu entnehmen |
| US6033723A (en) * | 1998-02-24 | 2000-03-07 | Imation Corp. | Method and apparatus for coating plurality of wet layers on flexible elongated web |
| DE10027574B4 (de) * | 2000-06-02 | 2012-11-22 | Wolfgang Bossert | Flächiges Material, insbesondere als blattförmiger Bogen oder Bahn |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE516598A (enrdf_load_stackoverflow) * | ||||
| JPS5822056B2 (ja) * | 1979-06-15 | 1983-05-06 | 昭和電工株式会社 | 耐熱性ゴム組成物 |
| DE3024112A1 (de) * | 1980-06-27 | 1982-02-04 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Einrichtung zum handhaben von stapeln flexibler gegenstaende, z.b. zeitschriften |
| JPS57195327A (en) * | 1981-05-26 | 1982-12-01 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5972104A (ja) * | 1982-10-19 | 1984-04-24 | Toshiba Corp | 磁性体粉末 |
-
1981
- 1981-11-02 JP JP56176260A patent/JPS5880136A/ja active Granted
-
1982
- 1982-11-01 CA CA000414585A patent/CA1198324A/en not_active Expired
- 1982-11-02 DE DE8282110098T patent/DE3279745D1/de not_active Expired
- 1982-11-02 DE DE198282110098T patent/DE78539T1/de active Pending
- 1982-11-02 EP EP82110098A patent/EP0078539B1/en not_active Expired
-
1984
- 1984-06-08 US US06/618,803 patent/US4547393A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0078539A3 (en) | 1985-09-11 |
| DE3279745D1 (en) | 1989-07-06 |
| US4547393A (en) | 1985-10-15 |
| JPS5880136A (ja) | 1983-05-14 |
| DE78539T1 (de) | 1983-08-18 |
| EP0078539A2 (en) | 1983-05-11 |
| EP0078539B1 (en) | 1989-05-31 |
| JPH0121533B2 (enrdf_load_stackoverflow) | 1989-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |